body{
    background-image: linear-gradient(to top, #fddb92 0%, #d1fdff 100%);
    background-size: 100% 100%;
    display: flex;
    align-items: center;
    height: 100vh;
    justify-content: center;
}
.bigBox{
    width: 400px; height: 300px;
    border-radius: 8px;
    background-color: #00000030;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-evenly;
}
.username{
    padding-top: 30px;
}
.input{
    width: 220px;
    font-size: 20px;color: white;
    background: rgba(00,00,00,0);
    border: none; border-bottom: solid 1px white;
    border-radius: 1px;
    outline: none;
}
button{
    width: 90px; height: 30px;
    color: white; font-size: 15px;
    background-color: dodgerblue;
    border-radius: 3px; border: none;
    margin-top: 20px; margin-left: 20px;
    outline: none;
    cursor: pointer;
}
.btn{
    box-sizing: border-box;
    padding-bottom: 30px;
}
button:active{
    opacity: 0.8;
}